Noon day SUN activates barcode

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We constantly bark on about how 2d Barcodes (QR (Quick Response)) (oh the nested brackets) can be used for so much more than just marketing but we can’t deny that there are some pretty cool campaigns out there. This one stands out as one of the best we have seen:

Emart, the large discount chain in Korea, launched a lunchtime promotion where shoppers could scan a shadow QR code, using the sunlight and shadow only available between 12 PM and 1 PM. The shadow code gave shoppers access to coupons valid only for the hour.

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